Chapter 4

Mader's Concepts in Biology, First Edition

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Sylvia S. Mader

Chapter 4

Question 1

What was the name of the scientist who coined the term "cell"?

A. Mattias Schleiden

B. Charles Darwin

C. Theodor Schwann

D. Robert Hooke

E. Camillo Golgi

Question 2

Which of the following is not part of the cell theory?

A. new cells arise only from preexisting cells

B. the cell is the basic unit of life

C. only eukaryotes are made of cells

D. anything smaller than a cell is not alive

E. all living things are made of cells

Question 3

Only multicellular organisms are made of cells.

A. true

B. false

Question 4

The main reason why cells are so small is:

A. so they can exchange genetic information

B. so they can divide

C. because the cell membrane is made of lipids

D. because they come from preexisting cells

E. the surface area to volume ratio

Question 5

As a cell increases in size which of the following conditions would apply?

A. the volume increases more than the surface area

B. the surface area increases more than the volume

C. the surface area stays the same and the volume increases

D. the volume stays the same and the surface area increases

E. the volume and surface area increase in equal amounts

Question 6

Cells which specialize in absorption such as human intestinal cells would have the following modifications:

A. they would increase size to increase absorption

B. they have few organelles to maximize absorption

C. they have surface folds called microvilli to maximize absorption

D. they have many cilia to increase absorption

E. they have many flagella to increase absorption

Question 7

No cells can be seen with the human eye.

A. true

B. false

Question 8

On a microscope, which lens is looked into with the human eye?

A. objective lens

B. electron lens

C. condenser lens

D. ocular lens

E. projector lens

Question 9

A biologist wants to examine living cells in the lab. Which type of microscope would the biologist use?

A. transmission electron microscope

B. resolution microscope

C. scanning electron microscope

D. condenser electron microscope

E. compound microscope

Question 10

One of the best ways to increase microscope resolution is to:

A. decrease the wavelength of light

B. hit the specimen with electrons

C. increase the wavelength of light

D. increase light intensity

E. use a red filter

Question 11

Which of the following microscopes passes a beam of electrons through a thinly sliced specimen?

A. a resolution electron microscope

B. a compound electron microscope

C. transmission electron microscope

D. condenser electron microscope

E. scanning electron microscope

Question 12

The term prokaryotic means before nucleus.

A. true

B. false

Question 13

Which of the following structures would not be found in a prokaryotic cell?

A. plasma membrane

B. nucleus

C. cell wall

D. capsule

E. ribosome

Question 14

Which of the following statements about eukaryotic cells is true when compared to prokaryotic cells?

A. they are smaller

B. they have no cell membrane

C. they have no nucleus

D. they have a nucleus

E. they have a capsule

Question 15

A scientist is studying an unknown cell under the microscope. She observes that the cell has a nucleus, a cell wall, and a large central vacuole. Based on these observations she can conclude that the cell is most likely:

A. a plant cell

B. a bacteria cell

C. a prokaryotic cell

D. an animal cell

E. an archaea

Question 16

A scientist is studying an unknown cell under the microscope. He observes that the cell has a nucleus, no cell wall, and no large central vacuole. Based on these observations he can conclude that the cell is most likely:

A. a plant cell

B. a bacteria cell

C. a prokaryotic cell

D. an animal cell

E. an archaea

Question 17

If you were studying the semifluid interior of the cell you would be studying the:

A. cytoskeleton

B. centrosome

C. cytoplasm

D. centrioles

E. chromatin

Question 18

A dark region of chromatin where the ribosomal RNA (rRNA) is produced is also referred to as a chromosome.

A. true

B. false

Question 19

If a eukaryotic cell lacked a nucleus, which of the following statements would be true?

A. it could not make energy

B. it could not package proteins

C. it could not maintain its shape

D. it could not digest macromolecules

E. it would not have genetic information

Question 20

A cell biologist is studying a dark region inside the nucleus of a cell where rRNA joins with ribosomes. Based on this information, the biologist would be studying which of the following structures?

A. the nuclear envelope

B. the nucleolus

C. the chromosomes

D. the nuclear pores

E. the cytoplasm